<template>
	<view>
		<view class="goods-list">
			<view v-for="(goods,i) in goodsList" :key="i" @click="gotoGoodsDetail(goods)">
				<my-goods :goods="goods"></my-goods>
			</view>
		</view>
	</view>
</template>

<script>
	export default {
		data() {
			return {
				// 默认的空图片
				defaultPic: 'https://img3.doubanio.com/f/movie/8dd0c794499fe925ae2ae89ee30cd225750457b4/pics/movie/celebrity-default-medium.png',
				isloading: false,
				queryObj: {
					query: '',
					cid: '',
					pagenum: 1,
					pagesize: 10
				},
				goodsList: [],
				total: 0
			};
		},
		onLoad(options) {
			this.queryObj.query = options.query || ''
			this.queryObj.cid = options.cid || ''
			this.getGoodsList()

		},
		methods: {
			async getGoodsList() {
				this.isloading = true
				const {
					data: res
				} = await uni.$http.get('/api/public/v1/goods/search', this.queryObj)
				this.isloading = false
				if (res.meta.status !== 200) return uni.$showMsg()
				// 为数据赋值：通过展开运算符的形式，进行新旧数据的拼接
				this.goodsList = [...this.goodsList, ...res.message.goods]
				this.total = res.message.total
			},
			gotoGoodsDetail(goods) {
				uni.navigateTo({
					url: '/subpkg/goods_detail/goods_detail?goods_id=' + goods.goods_id
				})
			}
		},
		onReachBottom() {
			// 判断是否还有下一页数据
			if (this.queryObj.pagenum * this.queryObj.pagesize >= this.total) return uni.$showMsg('数据加载完毕！')
			// 判断是否正在请求其它数据，如果是，则不发起额外的请求
			if (this.isloading) return
			this.queryObj.pagenum += 1
			this.getGoodsList()
		},
		async onPullDownRefresh() {
			this.goodsList = []
			this.queryObj.pagenum = 1
			// this.getGoodsList().then(()=>{
			// 	uni.stopPullDownRefresh()
			// })
			await this.getGoodsList()
			uni.stopPullDownRefresh()
		}
	}
</script>

<style lang="scss">

</style>
